The term "girl-gamer" refers to a female individual who actively participates in playing video games. In the context of porn videos, this tag usually indicates scenes involving a female character or performer who is either an avid gamer or engaged in a gaming activity with another participant, often including sexual content or interaction related to the gaming setting. This term may be used to describe scenes featuring cosplay, role-playing, or any other gaming-related activities that involve a female character.